Represents Certified Professionals who places and retrieves measurement devices for analysis by a certified laboratory.

Individuals holding the Residential Measurement Provider certification have demonstrated knowledge of U.S. EPA radon measurement protocols for the placement and retrieval of radon measurement devices. They have also demonstrated knowledge of the proper interpretation of results obtained in residential settings.

These individuals are authorized to place devices that are analyzed by a NRPP certified analytical laboratory. Depending upon the location of the laboratory where the devices are analyzed, specific shipping arrangements that have been established, results are not generally available immediately upon conclusion of the radon test.

Although this classification is specific for measurements in homes, it does not preclude the ability to conduct radon measurement surveys in large buildings, or to take samples for radon in water, provided that the appropriate protocols are followed.

Represents the Measurement Professional who places and retrieves measurement devices for analysis by a certified laboratory, and/or analyzes specific measurement devices on behalf of a client (but not for other measurement professionals).

Individuals holding a Residential Measurement Provider Certification for Standard and Analytical Services have demonstrated knowledge of U.S. EPA radon measurement protocols for the placement and retrieval of radon measurement devices. They have also demonstrated knowledge of the proper interpretation of results obtained in residential settings.

Furthermore, these individuals possess and analyze radon measurement devices. Depending upon the specific device, this may allow for rapid provision of test results. The testing professional may also be able to characterize trends in radon concentration and determine unusual conditions arising from such influences as weather changes or occupant tampering of a test.

Represents Certified Professionals who work to reduce the radon levels in the home through various approved remediation techniques.

Individuals holding the Residential Mitigation Provider certification have demonstrated knowledge of radon mitigation techniques as applied to residential structures.

Although this classification is specific for reducing radon in buildings similar to homes, it does not preclude the individuals ability to apply these skills to larger buildings.

In all cases the consumer is advised to verify experience, references, licenses, and skills for the nature of work to be performed.

Certified radon mitigation service providers have also agreed to abide by local laws as well as the mitigation techniques detailed in the U.S. Radon Mitigation Standards.

MFM (Multifamily Measurement)- NRPP certified professionals who have attended and passed an approved Multifamily Measurement course and practicum session. This certificate is in addition to the professional's primary certification and covers specialized standards and protocols for properly testing multifamily buildings based on the AARST-ANSI Protocol for Measurement in Multifamily Buildings.

MFMT (Multifamily Mitigation)- NRPP certified professionals who have attended and passed an approved Multifamily Mitigaiton course and practicum session. This certificate is in addition to the professional's primary certification and covers specialized standards and procedures for mitigatiion on an entire multifamily buildings based on the AARST-ANSI

RRNC (Radon Resistant in New Construction) - NRPP certified professionals who have attended and passed an approved Radon Resistant New Construction course and practicum session. This certificate is in addition to the professional's primary certification and covers specialized standards for site preparation and construction of a new building with radon resistant features based on the AARST-ANSI

ARP (Advanced Radon Professional) - a professional designation conferred on NRPP certified professionals who have at least one Advanced Certificate and have met specific prerequisites. These prerequisites include: Basic NRPP Certification with at least one, two-year cycle completed; passage of an approved, advance standards course with in-class exam practicum sessions as administered by an advanced course trainer; AARST Membership; plus participation or attendance at one Symposium, Chapter or Stakeholders meeting every two years.

Speaker (Member of the Speakers Bureau) -